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Finding the Fourth Proportional to 3,944.51, 5,915.09 and 1,751.74

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Solution

The fourth proportional to 3,944.51, 5,915.09 and 1,751.74 is: 2,626.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.51 : 5,915.09 = 1,751.74 : x
  2. Step 2: Convert to fraction form
    3,944.51/5,915.09 = 1,751.74/x
  3. Step 3: Cross multiply
    3,944.51x = 5,915.09 × 1,751.74
  4. Step 4: Simplify right side
    3,944.51x = 10,361,699.76
  5. Step 5: Solve for x
    x = 10,361,699.76/3,944.51
  6. Step 6: Final answer
    x = 2,626.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.